// where 'n' is the length of 'nums'. // For each number in 'nums', we traverse each position for the permutations to add the number, // with each permutation being O(n!). // Space Complexity : O(n!), ...

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LeetCode’s Java ecosystem is evolving beyond mere algorithmic correctness, with a growing emphasis on code quality metrics such as readability, maintainability, and performance profiling.